450 Attack o/'Berzelius on Dr. Thomson's "Attempt to 



Species. Icon. 



16. S. CulicifonnisyUnn* Ernst, III. PI. XCV. f. 126. e. f. 



PL XCIII. f. 126. c. Steph. 

 I. PI. X. f. 3. 



17. — Mutillatformis, \ Ernst, III. PI. XCIII. f. 127. 



Lasp.* J a — d. 



18. — Typhiceformis,L,asp. Bork. Eur. Sclim. II. Th. S. 174. 



n. 13. c. fig. 4. 5. Tab. adj. 

 Hiibn. Sphing. Tab. 7. f. 42. 

 (mas.) 



19. — Formicaformis, \ Ernst, III. PI. XCV. f. 132. a— d. 



Lasp.* f Steph. PI. XI. fig. 4. 



20. — Nomadatformis, 1 Ernst, III. PI. XCIV. f. 129. 



Lasp. J a — d. 



21. — Cephlformis, Gol- 



degg.f 



22. — Euce?*<eformis,Ochs.1[. 



23. — Tipulifbrmis 9 Uim.§ Ernst, III. PI. XCIV. f. 130. 



a— d. 



24. — Masariformis,Ochs.\\ 



25. — Tenthrediniformis, 1 Ernst, III. PI. XCIII. f. 128. 



Hiibn J a — d. 



26. — Philanthiformis, \ Laspeyres, Ses. Europ. fig. 23, 



Lasp J 24. (mas.) 25, 26. (foem.) 



27. — TineiformisyHubn. Hubn.Sphing.Tab.7.f.46.(fcem.) 



28. — Brosiformis, Hiibn. Hiibn. Sphing. Tab. 25. f. 116. 



(mas.) 

 [To be continued.] 



LXXV. Attack o/'Berzelius on Dr. Thomson's " Attempt to 

 establish the First Principles of Chemistry by Experiment" 



/^JUR scientific readers need not be reminded, that in the 

 ^-^ work above quoted, Dr. Thomson has endeavoured to 

 fix the combining equivalents of chemical substances. 



* jEgeria, Sect. B. b. Steph. 



f Ses. Cephiformis y alishyalinis, anticis marginibusfasciaque nigro-caeruleis; 

 abdomine barbato flavo, cingulis tribus flavis. — Ochs. II. p. 169. Sp. 22. 



J Ses. Eucerceformisy alis anticis fuscis apice inauratis, maculis duabus hy- 

 alinis ; abdomine barbato niaro, striga medii interrupts, flava. — Ochs, IV. 

 p. 171. No. 22. 



§ ^Egeria, Sect. B. a. Steph. 



|| Ses. Masa?ifo?'mis, alis hyalinis, anticis apice flavo irroratis, marginibus 

 fasciaque nigris : abdomine nigro, cingulis tribus flavis ; barba terminali 

 flava.—Ocfo. IJ. p. 173. Sp. 24. 



Dr. 



